document.write( "Question 858183: Use the angle sum formulas for sine and cosine to write tan(μ+ϑ) in terms of sin(μ), sin(ϑ),cos(μ)and cos(ϑ) \n" ); document.write( "

Algebra.Com's Answer #517129 by lwsshak3(11628) $\"\"$ $\"About$

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Use the angle sum formulas for sine and cosine to write tan(μ+ϑ) in terms of sin(μ), sin(ϑ),cos(μ)and cos(ϑ)
\n" ); document.write( "***
\n" ); document.write( "sin(u+ϑ)=sinu*cosϑ+cosu*sinϑ
\n" ); document.write( "cos(u+ϑ)=cosu*cosϑ-sinu*sinϑ
\n" ); document.write( "..
\n" ); document.write( "tan(u+ϑ)=sin(u+ϑ)/cos(u+ϑ)=(sinu*cosϑ+cosu*sinϑ)/(cosu*cosϑ-sinu*sinϑ) \n" ); document.write( "

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